Orlando massacre inflames Trump-Clinton presidential race

The Hill: The worst mass shooting in U.S. history is raising new questions about the safety of the homeland and shaking up the race for the White House.

Shocking revelations that the shooter had been previously investigated by the FBI more than once have many asking whether the incident could have been prevented.

At least 50 people were killed and 53 were wounded or injured in the shootings early Sunday morning.

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